void _titleBar_MouseMove(object sender, MouseEventArgs e)
{
if (_isDragTitleBar && e.Button == MouseButtons.Left)
{
var mouse = Control.MousePosition;
var w = Math.Abs(mouse.X - _point_mouseDown.X);
var h = Math.Abs(mouse.Y - _point_mouseDown.Y);
if (w >= _moveDistance || h >= _moveDistance)
{
var rect = Parent.RectangleToScreen(Bounds);
var form = Floating();
_isDragTitleBar = false;
//マウス位置がタイトルバーの真ん中に来るようにする。
var x = mouse.X - (rect.Width / 2);
var y = mouse.Y - (SystemInformation.ToolWindowCaptionHeight / 2);
form.Bounds = new Rectangle(new Point(x, y), rect.Size);
//タイトルバー移動モードを作り出す
var input = new API_SendInput.INPUT();
input.type = API_SendInput.InputType.INPUT_MOUSE;
input.mi.dwFlags = API_SendInput.dwFlags.KEYEVENTF_KEYUP;
API_SendInput.SendInput(new API_SendInput.INPUT[] { input });
}
}
}
void _titleBar_MouseLeave(object sender, EventArgs e)
{
if (_isDragTitleBar)
{
var rectangle = Parent.RectangleToScreen(Bounds);
var floating = Floating();
var mouse = Control.MousePosition;
var x = mouse.X - (rectangle.Width / 2);
var y = mouse.Y - (SystemInformation.ToolWindowCaptionHeight / 2);
floating.Bounds = new Rectangle(new Point(x, y), rectangle.Size);
_isDragTitleBar = false;
var input = new API_SendInput.INPUT();
input.type = API_SendInput.InputType.INPUT_MOUSE;
input.mi.dwFlags = API_SendInput.dwFlags.KEYEVENTF_KEYUP;
var inputs = new API_SendInput.INPUT[] { input };
API_SendInput.SendInput(inputs);
}
}