本文整理汇总了C#中System.Windows.Forms.LayoutEventArgs.AffectedControl属性的典型用法代码示例。如果您正苦于以下问题:C# LayoutEventArgs.AffectedControl属性的具体用法?C# LayoutEventArgs.AffectedControl怎么用?C# LayoutEventArgs.AffectedControl使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Windows.Forms.LayoutEventArgs
的用法示例。
在下文中一共展示了LayoutEventArgs.AffectedControl属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Form1
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button layoutButton;
private System.ComponentModel.Container components = null;
public Form1()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.layoutButton = new System.Windows.Forms.Button();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// layoutButton
//
this.layoutButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.layoutButton.Location = new System.Drawing.Point(72, 88);
this.layoutButton.Name = "layoutButton";
this.layoutButton.Size = new System.Drawing.Size(150, 23);
this.layoutButton.TabIndex = 0;
this.layoutButton.Text = "Hello";
//
// textBox1
//
this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
this.textBox1.Location = new System.Drawing.Point(24, 40);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(248, 20);
this.textBox1.TabIndex = 1;
this.textBox1.Text = "Hello";
this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
//
// label1
//
this.label1.Location = new System.Drawing.Point(24, 16);
this.label1.Name = "label1";
this.label1.TabIndex = 2;
this.label1.Text = "Button\'s Text:";
//
// Form1
//
this.ClientSize = new System.Drawing.Size(292, 129);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label1,
this.textBox1,
this.layoutButton});
this.Name = "Form1";
this.Text = "Layout Sample";
this.Layout += new System.Windows.Forms.LayoutEventHandler(this.Form1_Layout);
this.ResumeLayout(false);
}
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
// This method ensures that the form's width is the preferred size of 300 pixels
// or the size of the button plus 50 pixels, whichever amount is less.
private void Form1_Layout(object sender, System.Windows.Forms.LayoutEventArgs e)
{
// This event is raised once at startup with the AffectedControl
// and AffectedProperty properties on the LayoutEventArgs as null.
// The event provides size preferences for that case.
if ((e.AffectedControl != null) && (e.AffectedProperty != null))
{
// Ensure that the affected property is the Bounds property
// of the form.
if (e.AffectedProperty.ToString() == "Bounds")
{
// If layoutButton's width plus a padding of 50 pixels is greater than the preferred
// size of 300 pixels, increase the form's width.
if ((this.layoutButton.Width + 50) > 300)
{
this.Width = this.layoutButton.Width + 50;
}
// If not, keep the form's width at 300 pixels.
else
{
this.Width = 300;
}
// Center layoutButton on the form.
this.layoutButton.Left = (this.ClientSize.Width - this.layoutButton.Width) / 2;
}
}
}
// This method sets the Text property of layoutButton to the Text property
// of textBox1. If the new text plus a padding of 20 pixels is larger than
// the preferred size of 150 pixels, increase layoutButton's Width property.
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
// Set the Text property of layoutButton.
this.layoutButton.Text = this.textBox1.Text;
// Get the width of the text using the proper font.
int textWidth = (int)this.CreateGraphics().MeasureString(layoutButton.Text, layoutButton.Font).Width;
// If the width of the text plus a padding of 20 pixels is greater than the preferred size of
// 150 pixels, increase layoutButton's width.
if ((textWidth + 20) > 150)
{
// Setting the size property on any control raises
// the Layout event for its container.
this.layoutButton.Width = textWidth + 20;
}
// If not, keep layoutButton's width at 150 pixels.
else
{
this.layoutButton.Width = 150;
}
}
}