c# 鼠标在控件上拖动 移动窗体 移动窗口
时间:2014-05-15 10:10:20
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#region 移动窗体 移动窗口 private
Point _mousePoint; private
int topA(Control cc) { if
(cc == null
|| cc == this ) return
0; if
(cc.Parent == null
|| cc.Parent == this ) return
cc.Top; else return
topA(cc.Parent) + cc.Top; } private
int leftA(Control cc) { if
(cc == null
|| cc == this ) return
0; if
(cc.Parent == null
|| cc.Parent == this ) return
cc.Left; else return
leftA(cc.Parent) + cc.Left; } private
void labTitle_MouseDown( object
sender, MouseEventArgs e) { Control cc = (Control)sender; if
(e.Button == MouseButtons.Left) { _mousePoint.X = e.X + leftA(cc); _mousePoint.Y = e.Y + topA(cc); } } private
void labTitle_MouseMove( object
sender, MouseEventArgs e) { if
(e.Button == MouseButtons.Left) { Top = MousePosition.Y - _mousePoint.Y; Left = MousePosition.X - _mousePoint.X; } } #endregion |
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