Csharp/C Sharp by API/System.Windows.Forms/DataFormats — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 15:10, 26 мая 2010
DataFormats.Text
<source lang="csharp">
using System; using System.Windows.Forms; public class TextBoxDragDropDemo : Form {
public TextBoxDragDropDemo() { InitializeComponent(); } private void TextBox_MouseDown(object sender, MouseEventArgs e) { TextBox txt = (TextBox)sender; txt.SelectAll(); txt.DoDragDrop(txt.Text, DragDropEffects.Copy); } private void TextBox_DragEnter(object sender, DragEventArgs e) { if (e.Data.GetDataPresent(DataFormats.Text)) { e.Effect = DragDropEffects.Copy; } else { e.Effect = DragDropEffects.None; } } private void TextBox_DragDrop(object sender, DragEventArgs e) { TextBox txt = (TextBox)sender; txt.Text = (string)e.Data.GetData(DataFormats.Text); } [STAThread] public static void Main(string[] args) { Application.Run(new TextBoxDragDropDemo()); } private System.Windows.Forms.TextBox TextBox2; private System.Windows.Forms.TextBox TextBox1; private void InitializeComponent() { this.TextBox2 = new System.Windows.Forms.TextBox(); this.TextBox1 = new System.Windows.Forms.TextBox(); this.SuspendLayout(); this.TextBox2.AllowDrop = true; this.TextBox2.Location = new System.Drawing.Point(28, 129); this.TextBox2.Multiline = true; this.TextBox2.Size = new System.Drawing.Size(196, 77); this.TextBox2.DragDrop += new System.Windows.Forms.DragEventHandler(this.TextBox_DragDrop); this.TextBox2.DragEnter += new System.Windows.Forms.DragEventHandler(this.TextBox_DragEnter); this.TextBox2.MouseDown += new System.Windows.Forms.MouseEventHandler(this.TextBox_MouseDown); this.TextBox1.AllowDrop = true; this.TextBox1.Location = new System.Drawing.Point(28, 36); this.TextBox1.Multiline = true; this.TextBox1.Size = new System.Drawing.Size(196, 77); this.TextBox1.DragDrop += new System.Windows.Forms.DragEventHandler(this.TextBox_DragDrop); this.TextBox1.DragEnter += new System.Windows.Forms.DragEventHandler(this.TextBox_DragEnter); this.TextBox1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.TextBox_MouseDown); this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.Add(this.TextBox2); this.Controls.Add(this.TextBox1); this.ResumeLayout(false); this.PerformLayout(); }
}
</source>