c# - radiobutton checkedchange event fired when it loads -


why event firing when radiobutton gets loaded? there way prevent this? code follows:

        //          // radiobutton1         //          this.radiobutton1.autosize = true;         this.radiobutton1.location = new system.drawing.point(6, 19);         this.radiobutton1.name = "radiobutton1";         this.radiobutton1.size = new system.drawing.size(75, 17);         this.radiobutton1.tabindex = 0;         this.radiobutton1.tabstop = true;         this.radiobutton1.text = "you guess";         this.radiobutton1.usevisualstylebackcolor = true;         this.radiobutton1.checkedchanged += new system.eventhandler(this.radiobutton1_checkedchanged);         this.groupbox1.controls.add(this.radiobutton1);         public system.windows.forms.radiobutton radiobutton1;

the radio button's checked property defaults false, when added form , radio button, value must change true (at lease 1 radio button per group must checked). can prevent event firing setting checked property radio button want selected default true before add form (or subscribe changed event).


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