How to send email using default email client?
Try this: System.Diagnostics.Process proc = new System.Diagnostics.Process(); proc.StartInfo.FileName = “mailto:someone@somewhere.com?subject=hello&body=love my body”; proc.Start();
winforms
How to bind Dictionary to ListBox in WinForms
var choices = new Dictionary<string, string>(); choices[“A”] = “Arthur”; choices[“F”] = “Ford”; choices[“T”] = “Trillian”; choices[“Z”] = “Zaphod”; listBox1.DataSource = new BindingSource(choices, null); listBox1.DisplayMember = “Value”; listBox1.ValueMember = “Key”; (Shamelessly lifted from my own blog: Bind a ComboBox to a generic Dictionary.) This means you can use SelectedValue to get hold of the corresponding dictionary … Read more
Check/Uncheck a checkbox on datagridview
Looking at this MSDN Forum Posting it suggests comparing the Cell’s value with Cell.TrueValue. So going by its example your code should looks something like this:(this is completely untested) Edit: it seems that the Default for Cell.TrueValue for an Unbound DataGridViewCheckBox is null you will need to set it in the Column definition. private void … Read more
Does the System.Windows.Forms.Timer run on a different thread than the UI?
No, the timer events are raised on the UI thread. You won’t have any synchronicity problems. This is the correct version of the timer control to use in a WinForms application; it’s specifically designed to do what you’re asking. It’s implemented under the hood using a standard Windows timer. The documentation confirms this in the … Read more
Hosting ASP.NET Core API in a Windows Forms Application
Hosting ASP.NET CORE API in a Windows Forms Application and Interaction with Form Here is a basic step by step example about how to create a project to host ASP.NET CORE API inside a Windows Forms Application and perform some interaction with Form. To do so, follow these steps: Create a Windows Forms Application name … Read more
Adding Text to DataGridView Row Header
private void dtgworkingdays_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e) { this.FillRecordNo(); } private void FillRecordNo() { for (int i = 0; i < this.dtworkingdays.Rows.Count; i++) { this.dtgworkingdays.Rows[i].HeaderCell.Value = (i + 1).ToString(); } } Also see Show row number in row header of a DataGridView.
How to access form methods and controls from a class in C#?
You are trying to access the class as opposed to the object. That statement can be confusing to beginners, but you are effectively trying to open your house door by picking up the door on your house plans. If you actually wanted to access the form components directly from a class (which you don’t) you … Read more
SendInput doesn’t perform click mouse button unless I move cursor
There are a few things you should consider when using the SendInput function. If you do not specify the MOUSEEVENTF_ABSOLUTE flag then dx and dy (MouseInputData structure) are relative coordinates to the current mouse position. If you do specify MOUSEEVENTF_ABSOLUTE then dx and dy are absolute coordinates between 0 and 65535. So if your x … Read more
How do I disable the horizontal scrollbar in a Panel
Try to implement this way, it will work 100% panel.HorizontalScroll.Maximum = 0; panel.AutoScroll = false; panel.VerticalScroll.Visible = false; panel.AutoScroll = true;
How to draw a rounded rectangle in c#
public static GraphicsPath RoundedRect(Rectangle bounds, int radius) { int diameter = radius * 2; Size size = new Size(diameter, diameter); Rectangle arc = new Rectangle(bounds.Location, size); GraphicsPath path = new GraphicsPath(); if (radius == 0) { path.AddRectangle(bounds); return path; } // top left arc path.AddArc(arc, 180, 90); // top right arc arc.X = bounds.Right – … Read more