嘿傢伙(:我目前正在研究這個項目,其中包括縮放功能。現在,我面臨這個問題,我使用的縮放功能需要四個鼠標事件,這是鼠標滾輪,鼠標左鍵向上,向下等。但是,我試圖讓它像點擊按鈕時,最終可以執行縮放功能。但是,我在使用按鈕調用鼠標事件功能時遇到了問題。是代碼,請幫我(:非常感謝DDDDD按鈕調用鼠標事件函數:)
private void image_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
imagePicture.CaptureMouse();
var tt = (TranslateTransform)((TransformGroup)imagePicture.RenderTransform).Children.First(tr => tr is TranslateTransform);
start = e.GetPosition(border);
origin = new Point(tt.X, tt.Y);
}
private void image_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
imagePicture.ReleaseMouseCapture();
}
private void image_MouseMove(object sender, MouseEventArgs e)
{
if (!imagePicture.IsMouseCaptured) return;
var tt = (TranslateTransform)((TransformGroup)imagePicture.RenderTransform).Children.First(tr => tr is TranslateTransform);
Vector v = start - e.GetPosition(border);
tt.X = origin.X - v.X;
tt.Y = origin.Y - v.Y;
}
private void image_mousewheel(object sender, MouseWheelEventArgs e)
{
TransformGroup transformGroup = (TransformGroup)imagePicture.RenderTransform;
ScaleTransform transform = (ScaleTransform)transformGroup.Children[0];
RenderOptions.SetBitmapScalingMode(imagePicture, BitmapScalingMode.NearestNeighbor);
double zoom = e.Delta > 0 ? .01 : -.01;
transform.ScaleX += zoom; transform.ScaleY += zoom;
}
同樣,我的問題是我怎麼不是能夠直接放大到執行這四個鼠標事件函數,只有當按鈕被點擊,當鼠標被帶到圖片。爲了您的信息,圖像的名稱被稱爲(圖像)。我已經試過結合的方法,遺憾的是它不工作;(
問候