Re: Form component like common Openfiledialog
- From: "DiamondDave" <DiamondDave@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 6 Aug 2005 16:32:01 -0700
Hi Tim
Sorry, but it took a while to get here.
If I copy and paste that into a C# project it all works fine. I'm actually
trying to write this in MC++. I've converted both the commondialog and the
form to MC++ which all compiles fine, but when I put the library in the
toolbox, there is no common dialog imported. Not sure if this is a MC++
pecularity or if I've done something wrong, but I definetly have a class
derived from CommonDialog. Any idea if there is a difference in MC++, or what
could be screw up to not have the control turn up in the toolbox?
Thanks
Dave
"Tim Wilson" wrote:
> The basic idea, at least what I would recommend, is to create a new class
> that inherits from the CommonDialog class. This would put your custom dialog
> inline with the built in dialogs in the framework since they inherit,
> directly or indirectly, from this class. The benefit to you as well is that
> you can build a form as you normally would, and then just create an instance
> of this form and show it from the custom CommonDialog class. I've included
> an example below. In order to use the example you should first create a
> "Windows Control Library". In the UserControl1.cs file delete everything and
> paste the code for the CustomDialog class, shown below with a (1) at the
> top. Next, add a new Windows Form to the "Windows Control Library" project,
> delete all the code, and paste the code for the Dialog class, shown below
> with a (2) at the top. Build this project and resolve any errors that may
> arise due to the text wrapping in this post. Next, add a "Windows
> Application" project to the same solution as the "Windows Control Library"
> created earlier. This project will be used to test the custom dialog. With
> the form displayed for the "Windows Application" project, add the custom
> dialog to the TooBox by right-clicking in the ToolBox and selecting
> "Add/Remove Items...", then clicking "Browse...", then navigate to the
> output (assembly) of the "Windows Control Library" project (probably named
> "WindowsControlLibrary1.dll"), then say "Open", then "OK", and now the
> custom dialog should be in the ToolBox. To use it, drag and drop it onto the
> form and you should notice it in the component tray at the bottom. To
> display it, just call it's ShowDialog method just as you would for any of
> the common dialogs.
>
> **********************************************
> (1)
>
> using System;
> using System.ComponentModel;
> using System.Windows.Forms;
> namespace MyNamespace.Windows.Forms
> {
> public class CustomDialog : System.Windows.Forms.CommonDialog
> {
> private string _StringValue = null;
> [DefaultValue(null)]
> public string StringValue
> {
> get
> {
> return _StringValue;
> }
> set
> {
> _StringValue = value;
> }
> }
> public CustomDialog() {}
> protected override bool RunDialog(IntPtr hWndOwner)
> {
> Dialog dialogInstance = null;
> bool okTriggered = false;
> try
> {
> dialogInstance = new Dialog();
> dialogInstance.Owner = (Form.FromHandle(hWndOwner) as Form);
> dialogInstance.textBox1.Text = this.StringValue;
> if (dialogInstance.ShowDialog() == DialogResult.OK)
> {
> okTriggered = true;
> this.StringValue = dialogInstance.textBox1.Text;
> }
> }
> finally
> {
> if (dialogInstance != null)
> {
> dialogInstance.Dispose();
> }
> }
> return okTriggered;
> }
> public override void Reset()
> {
> this.StringValue = null;
> }
> }
> }
>
> **********************************************
> (2)
>
> using System;
> using System.Drawing;
> using System.Collections;
> using System.ComponentModel;
> using System.Windows.Forms;
> namespace MyNamespace.Windows.Forms
> {
> /// <summary>
> /// Summary description for Dialog.
> /// </summary>
> internal class Dialog : System.Windows.Forms.Form
> {
> private System.Windows.Forms.Button button1;
> private System.Windows.Forms.Button button2;
> private System.Windows.Forms.Label label1;
> public System.Windows.Forms.TextBox textBox1;
> /// <summary>
> /// Required designer variable.
> /// </summary>
> private System.ComponentModel.Container components = null;
> public Dialog()
> {
> //
> // Required for Windows Form Designer support
> //
> InitializeComponent();
> //
> // TODO: Add any constructor code after InitializeComponent call
> //
> }
> /// <summary>
> /// Clean up any resources being used.
> /// </summary>
> protected override void Dispose(bool disposing)
> {
> if (disposing)
> {
> if (components != null)
> {
> components.Dispose();
> }
> }
> base.Dispose(disposing);
> }
> #region Windows Form Designer generated code
> /// <summary>
> /// Required method for Designer support - do not modify
> /// the contents of this method with the code editor.
> /// </summary>
> private void InitializeComponent()
> {
> this.button1 = new System.Windows.Forms.Button();
> this.button2 = new System.Windows.Forms.Button();
> this.label1 = new System.Windows.Forms.Label();
> this.textBox1 = new System.Windows.Forms.TextBox();
> this.SuspendLayout();
> //
> // button1
> //
> this.button1.DialogResult = System.Windows.Forms.DialogResult.OK;
> this.button1.Location = new System.Drawing.Point(264, 104);
> this.button1.Name = "button1";
> this.button1.TabIndex = 0;
> this.button1.Text = "OK";
> //
> // button2
> //
> this.button2.DialogResult = System.Windows.Forms.DialogResult.Cancel;
> this.button2.Location = new System.Drawing.Point(360, 104);
> this.button2.Name = "button2";
> this.button2.TabIndex = 1;
> this.button2.Text = "Cancel";
> //
> // label1
> //
> this.label1.Location = new System.Drawing.Point(32, 32);
> this.label1.Name = "label1";
> this.label1.Size = new System.Drawing.Size(232, 16);
> this.label1.TabIndex = 2;
> this.label1.Text = "Enter a string:";
> //
> // textBox1
> //
> this.textBox1.Location = new System.Drawing.Point(32, 48);
> this.textBox1.Name = "textBox1";
> this.textBox1.Size = new System.Drawing.Size(384, 20);
> this.textBox1.TabIndex = 0;
> this.textBox1.Text = "textBox1";
> //
> // Dialog
> //
> this.AcceptButton = this.button1;
> this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
> this.CancelButton = this.button2;
> this.ClientSize = new System.Drawing.Size(456, 149);
> this.Controls.Add(this.textBox1);
> this.Controls.Add(this.label1);
> this.Controls.Add(this.button2);
> this.Controls.Add(this.button1);
> this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
> this.MaximizeBox = false;
> this.MinimizeBox = false;
> this.Name = "Dialog";
> this.ShowInTaskbar = false;
> this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
> this.Text = "Custom Dialog";
> this.TopMost = true;
> this.ResumeLayout(false);
> }
> #endregion
> }
> }
>
> **********************************************
>
> --
> Tim Wilson
> ..Net Compact Framework MVP
>
> "DiamondDave" <DiamondDave@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:E485D429-7815-488F-81B2-4D28A8B49EC7@xxxxxxxxxxxxxxxx
> > Hi Tim
> >
> > No, not quite what I was after. Basically, I want to create a form of my
> own
> > that can be put in the toolbox and draged onto forms using the designer.
> > Because it is a complete form, rather than a collection of controls, it
> > apparently needs to inherit from Component, not Form. I don't know how to
> > make a form from Component?
> >
> > Thanks
> > Dave
> >
> >
> > "Tim Wilson" wrote:
> >
> > > Does the following information help?
> > >
> > > "Extend the Common Dialog Boxes Using Windows Forms 1.x"
> > >
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwinforms/html/extensibledialogs.asp
> > >
> > > --
> > > Tim Wilson
> > > ..Net Compact Framework MVP
> > >
> > > "DiamondDave" <DiamondDave@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> > > news:3596791A-C2D3-4245-B47C-2655E5F11B9F@xxxxxxxxxxxxxxxx
> > > > Hi there
> > > >
> > > > Sorry for the newbie question, but I've searched the net and MSDN and
> I
> > > > can't find anything on how to do this. Any pointers to doco or advice
> will
> > > be
> > > > appreciated.
> > > >
> > > > I have created a Windows Control Library in MC++ and added a couple of
> > > User
> > > > Controls. This is fine and I'm able to select them from the tool box.
> I
> > > now
> > > > want to create dialog that can be dragged from the toolbox onto my
> form,
> > > > similar to the common dialogs. So far everything I've tried is just
> not
> > > > turning up in the toolbox.
> > > >
> > > > What should I start with as a base class and what do I need to
> implement
> > > to
> > > > get the same functionality as a common dialog when it is dragged onto
> a
> > > form
> > > > in the designer?
> > > >
> > > > Thanks
> > > > Dave
> > > >
> > >
> > >
> > >
>
>
>
.
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