About moving transparent, boderless wpf c# -

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i making window 

windowstyle="none" allowstransparency="true" background="transparent" windowstartuplocation="centerscreen" resizemode="noresize"

then made button other move window, using this.dragmove();, put event: mousedown (of button), leftbutondown (of button) , leftbutondown (of form), still can not move form. function:

private void btcurdate_mousedown(object sender, mousebuttoneventargs e) {     this.dragmove(); }

(the button defined click event else). running form:enter image description here


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